docs: def risk_score(self, domains):
          """Performs Umbrella risk score analysis on the input domains
  
          Args:
              domains: an enumerable of domains
          Returns:
              An enumerable of associated domain risk scores
          """
          api_name = 'opendns-risk_score'
          fmt_url_path = u'domains/risk-score/{0}'
          return self._multi_get(api_name, fmt_url_path, domains)